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@(#)getpid.2 6.3 (Berkeley) 5/13/86

C 4 getpid, getppid - get process identification

#include <sys/types.h>
#include <unistd.h>

pid_t getpid(void)
pid_t getppid(void)

Getpid returns the process ID of the current process. Most often it is used to generate uniquely-named temporary files.

Getppid returns the process ID of the parent of the current process.

fork (2).